<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html lang="en">
<head>
	<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
	<title>Document</title>
	<style type="text/css">
		body{
			color: #fff;
			font-size: 40px;
			text-align: center;
		}
		.list{
			position: relative;

		}
		.list_item{
			width: 200px;
			height: 80px;
			background: red url() 0 0 no-repeat;
			margin-top: 10px;
			list-style: none;
		}
		.son{
			width: 500px;
			height: 400px;
			background: green url() 0 0 no-repeat;
			position: absolute;
			top:0px;
			left: 240px;
			display: none;
		}

	</style>
	<script type="text/javascript" src="./jquery-1.7.2.js"></script>
	<script type="text/javascript">
		$(function  (argument) {
			
			$('.list_item').hover(function() {
				$(this).css('background','blue').children('.son').stop().show();
			}, function() {
				$(this).css('background','red').children('.son').stop().hide();
			});


		})
	</script>
</head>
<body>
	<ul class="list">
		<li class="list_item">1<div class="son">1</div></li>
		<li class="list_item">2<div class="son">2</div></li>
		<li class="list_item">3<div class="son">3</div></li>
		<li class="list_item">4<div class="son">4</div></li>
		<li class="list_item">5<div class="son">5</div></li>
	</ul>
</body>
</html>